package com.book.dao.impl;

import com.book.dao.BookDao;
import com.book.pojo.Book;

import java.util.List;

public class BookDaoImpl extends BaseDao implements BookDao {
    @Override
    public int addBook(Book book) {
        String sql="insert into book.t_book(`name` , `author` , `price` , `sales` , `stock` , `img_path`) values(?,?,?,?,?,?)";
        return update(sql, book.getName(),book.getAuthor(), book.getPrice(),book.getSales(),book.getStock(),book.getImgPath());
    }

    @Override
    public int deleteBookById(Integer id) {
        String sql = "delete from book.t_book where id=?";
        return update(sql,id);
    }

    @Override
    public int updateBook(Book book) {
        String sql = "update book.t_book set `name`=?,`author`=? , `price`=?,`sales`=?,`stock`=?,`img_path`=? where id=?";
        return update(sql, book.getName(), book.getAuthor(), book.getPrice(), book.getSales(),book.getStock(),book.getImgPath(),book.getId());
    }

    @Override
    public Book queryBookById(Integer id) {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` imgPath from book.t_book where id=?";
        return queryForOne(Book.class,sql,id);
    }

    @Override
    public List<Book> queryBooks() {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` imgPath from book.t_book";
        return queryForList(Book.class, sql);
    }

    @Override
    public Integer queryForPageTotalCount() {
        String sql = "select count(*) from book.t_book";
        Number count = (Number) queryForSingleValue(sql);
        return count.intValue();
    }

    @Override
    public List<Book> queryForPageItems(int begin, int pageSize) {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` from book.t_book limit ?,?";
        return queryForList(Book.class, sql, begin, pageSize);
    }

    @Override
    public Integer queryForPageTotalCountByPrice(int min, int max) {
        String sql = "select count(*) from book.t_book where price between ? and ?";
        Number count = (Number) queryForSingleValue(sql,min, max);
        return count.intValue();
    }

    @Override
    public List<Book> queryForPageItemsByPrice(int begin, int pageSize, int min, int max) {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` from book.t_book where price between ? and ? order by sales limit ?,?";
        return queryForList(Book.class, sql,min,max,begin, pageSize);
    }
}
